Life beyond Earth
Are we alone? Scientists search for an extraterrestrial answer
By Stephen Ornes, 11:20 AM June 27, 2012
If aliens ever sent us a message, scientists hope to pick it up in a remote part of northern California.
There, in a clearing nestled amid the volcanoes of the Cascade Range, 42 radio dishes point together at the sky. The dishes, each 20 feet across, form a single, giant scientific instrument called the Allen Telescope Array. Scientists built the array to receive radio signals — the sort of message that could answer a very important question: Are we the only intelligent life in this vast un...
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